kCGPDFXDestinationOutputProfile
Declaration
let kCGPDFXDestinationOutputProfile: CFStringDiscussion
An ICC profile stream defining the transformation from the PDF document’s source colors to output device colorants. This key is required if the value of kCGPDFXOutputConditionIdentifier does not specify a standard production condition. It is optional otherwise. If present, the value of this key must be an ICC-based color space specified as a CGColorSpace object.